======================================
| [   26.539063][  T337] ==================================================================
| [   26.539428][  T337] BUG: KASAN: null-ptr-deref in try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
| [   26.539740][  T337] Write of size 8 at addr 0000000000000000 by task ip/337
| [   26.539988][  T337]
[   26.540100][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.540103][  T337] Call Trace:
[   26.540106][  T337]  <TASK>
[   26.540108][  T337]  dump_stack_lvl (lib/dump_stack.c:123)
[   26.540118][  T337]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.540122][  T337]  kasan_report (mm/kasan/report.c:597)
[   26.540134][  T337]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.540139][  T337]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   26.540143][  T337]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.540146][  T337]  ? __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[   26.540152][  T337]  ? netif_change_flags (net/core/dev.c:9989)
[   26.540156][  T337]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   26.540160][  T337]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   26.540169][  T337]  ? queue_delayed_work_on (kernel/workqueue.c:2565 (discriminator 1))
[   26.540173][  T337]  __cancel_work_sync (kernel/workqueue.c:4383)
[   26.540178][  T337]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   26.540181][  T337]  ? netdev_notify_peers (net/core/dev.c:1891)
[   26.540186][  T337]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   26.540192][  T337]  __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[   26.540196][  T337]  ? netif_set_allmulti (net/core/dev.c:9890)
[   26.540199][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[   26.540207][  T337]  netif_change_flags (net/core/dev.c:9989)
[   26.540209][  T337]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   26.540214][  T337]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   26.540221][  T337]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   26.540227][  T337]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.540232][  T337]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   26.540238][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.540242][  T337]  ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113)
[   26.540248][  T337]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   26.540252][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.540256][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.540260][  T337]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   26.540263][  T337]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   26.540271][  T337]  ? __create_object (mm/kmemleak.c:786)
[   26.540277][  T337]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.540280][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   26.540283][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   26.540288][  T337]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   26.540296][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   26.540302][  T337]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   26.540326][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.540332][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.540339][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.540345][  T337]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   26.540348][  T337]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.540352][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.540355][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   26.540360][  T337]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.540363][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.540370][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   26.540375][  T337]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.540379][  T337]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   26.540386][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   26.540389][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[   26.540392][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   26.540396][  T337]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   26.540400][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.540405][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   26.540409][  T337]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.540412][  T337]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   26.540418][  T337]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.540421][  T337]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   26.540426][  T337]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   26.540428][  T337]  ? __copy_msghdr (net/socket.c:2556)
[   26.540437][  T337]  ___sys_sendmsg (net/socket.c:2686)
[   26.540439][  T337]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   26.540443][  T337]  ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125)
[   26.540448][  T337]  ? copy_msghdr_from_user (net/socket.c:2673)
[   26.540452][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.540457][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.540462][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.540466][  T337]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   26.540472][  T337]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.540478][  T337]  __sys_sendmsg (net/socket.c:2716)
[   26.540480][  T337]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   26.540483][  T337]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   26.540490][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.540495][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.540502][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   26.540506][  T337] RIP: 0033:0x7fecf40961d7
[   26.540510][  T337] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   26.540513][  T337] RSP: 002b:00007fffd7e872f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.540520][  T337] RAX: ffffffffffffffda RBX: 00007fffd7e87a30 RCX: 00007fecf40961d7
[   26.540523][  T337] RDX: 0000000000000000 RSI: 00007fffd7e87360 RDI: 0000000000000005
[   26.540525][  T337] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   26.540527][  T337] R10: 00007fecf3f92510 R11: 0000000000000246 R12: 0000000000000003
[   26.540529][  T337] R13: 00000000691cc1ad R14: 0000000000499600 R15: 0000000000000000
| [   26.559813][  T337] #PF: error_code(0x0002) - not-present page
| [   26.560054][  T337] PGD f770067 P4D f770067 PUD a702067 PMD 0
| [   26.560305][  T337] Oops: Oops: 0002 [#1] SMP KASAN
| [   26.560890][  T337] Tainted: [B]=BAD_PAGE
[   26.561041][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.561297][  T337] RIP: 0010:try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.561547][  T337] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 1f 93 82 00 <f0> 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
All code
========
   0:	00 41 89             	add    %al,-0x77(%rcx)
   3:	c0 b8 01 00 00 00 45 	sarb   $0x45,0x1(%rax)
   a:	85 c0                	test   %eax,%eax
   c:	74 0f                	je     0x1d
   e:	48 83 c4 10          	add    $0x10,%rsp
  12:	5b                   	pop    %rbx
  13:	5d                   	pop    %rbp
  14:	41 5c                	pop    %r12
  16:	41 5d                	pop    %r13
  18:	41 5e                	pop    %r14
  1a:	41 5f                	pop    %r15
  1c:	c3                   	ret
  1d:	be 08 00 00 00       	mov    $0x8,%esi
  22:	48 89 df             	mov    %rbx,%rdi
  25:	e8 1f 93 82 00       	call   0x829349
  2a:*	f0 48 0f ba 2b 00    	lock btsq $0x0,(%rbx)		<-- trapping instruction
  30:	72 11                	jb     0x43
  32:	48 83 c4 10          	add    $0x10,%rsp
  36:	31 c0                	xor    %eax,%eax
  38:	5b                   	pop    %rbx
  39:	5d                   	pop    %rbp
  3a:	41 5c                	pop    %r12
  3c:	41 5d                	pop    %r13
  3e:	41 5e                	pop    %r14

Code starting with the faulting instruction
===========================================
   0:	f0 48 0f ba 2b 00    	lock btsq $0x0,(%rbx)
   6:	72 11                	jb     0x19
   8:	48 83 c4 10          	add    $0x10,%rsp
   c:	31 c0                	xor    %eax,%eax
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	41 5c                	pop    %r12
  12:	41 5d                	pop    %r13
  14:	41 5e                	pop    %r14
[   26.562225][  T337] RSP: 0018:ffffc90000db6f30 EFLAGS: 00010046
[   26.562467][  T337] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa2249b8a
[   26.562789][  T337] RDX: fffffbfff4decacd RSI: 0000000000000008 RDI: ffffffffa6f65660
[   26.563080][  T337] RBP: ffffc90000db6f98 R08: 0000000000000001 R09: fffffbfff4decacc
[   26.563367][  T337] R10: ffffffffa6f65667 R11: ffffc90000db6a00 R12: 0000000000000000
[   26.563650][  T337] R13: 0000000000000286 R14: ffff88800a8c9000 R15: dffffc0000000000
[   26.563942][  T337] FS:  00007fecf3ec8800(0000) GS:ffff8880bfb87000(0000) knlGS:0000000000000000
[   26.564333][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.564566][  T337] CR2: 0000000000000000 CR3: 000000000bc0a003 CR4: 0000000000772ef0
[   26.564845][  T337] PKRU: 55555554
[   26.564988][  T337] Call Trace:
[   26.565128][  T337]  <TASK>
[   26.565235][  T337]  ? __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[   26.565430][  T337]  ? netif_change_flags (net/core/dev.c:9989)
[   26.565614][  T337]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   26.565802][  T337]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   26.565988][  T337]  ? queue_delayed_work_on (kernel/workqueue.c:2565 (discriminator 1))
[   26.566176][  T337]  __cancel_work_sync (kernel/workqueue.c:4383)
[   26.566369][  T337]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   26.566558][  T337]  ? netdev_notify_peers (net/core/dev.c:1891)
[   26.566741][  T337]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   26.566928][  T337]  __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[   26.567116][  T337]  ? netif_set_allmulti (net/core/dev.c:9890)
[   26.567308][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[   26.567499][  T337]  netif_change_flags (net/core/dev.c:9989)
[   26.567683][  T337]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   26.567874][  T337]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   26.568060][  T337]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   26.568245][  T337]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.568443][  T337]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   26.568628][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.568815][  T337]  ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113)
[   26.569029][  T337]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   26.569221][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.569436][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.569620][  T337]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   26.569803][  T337]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   26.569995][  T337]  ? __create_object (mm/kmemleak.c:786)
[   26.570182][  T337]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.570387][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   26.570573][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   26.570764][  T337]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   26.570955][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   26.571142][  T337]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   26.571331][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.571524][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.571715][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.571898][  T337]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   26.572088][  T337]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.572271][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.572462][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   26.572647][  T337]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.572829][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.573017][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   26.573202][  T337]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.573393][  T337]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   26.573580][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   26.573768][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[   26.573975][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   26.574169][  T337]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   26.574351][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.574556][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   26.574742][  T337]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.574929][  T337]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   26.575122][  T337]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.575305][  T337]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   26.575507][  T337]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   26.575743][  T337]  ? __copy_msghdr (net/socket.c:2556)
[   26.575931][  T337]  ___sys_sendmsg (net/socket.c:2686)
[   26.576118][  T337]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   26.576305][  T337]  ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125)
[   26.576548][  T337]  ? copy_msghdr_from_user (net/socket.c:2673)
[   26.576731][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.576923][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.577111][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.577296][  T337]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   26.577490][  T337]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.577788][  T337]  __sys_sendmsg (net/socket.c:2716)
[   26.577969][  T337]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   26.578206][  T337]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   26.578393][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.578692][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.578882][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   26.579116][  T337] RIP: 0033:0x7fecf40961d7
[   26.579310][  T337] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   26.579980][  T337] RSP: 002b:00007fffd7e872f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.580381][  T337] RAX: ffffffffffffffda RBX: 00007fffd7e87a30 RCX: 00007fecf40961d7
[   26.580668][  T337] RDX: 0000000000000000 RSI: 00007fffd7e87360 RDI: 0000000000000005
[   26.581059][  T337] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   26.581338][  T337] R10: 00007fecf3f92510 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
try_to_grab_pending:__cancel_work:__cancel_work_sync:__dev_close_many:__dev_change_flags
kasan_report:kasan_check_range:try_to_grab_pending:__cancel_work:__cancel_work_sync